C++ (Cpp) jsCurrentTime示例

示例#1

文件： DateConstructor.cpp 项目： TigerWFH/webkit

// ECMA 15.9.3
JSObject* constructDate(ExecState* exec, JSGlobalObject* globalObject, JSValue newTarget, const ArgList& args)
{
    VM& vm = exec->vm();
    int numArgs = args.size();

    double value;

    if (numArgs == 0) // new Date() ECMA 15.9.3.3
        value = NORMAL_OR_DETERMINISTIC_FUNCTION(jsCurrentTime(), deterministicCurrentTime(globalObject));
    else if (numArgs == 1) {
        if (args.at(0).inherits(DateInstance::info()))
            value = asDateInstance(args.at(0))->internalNumber();
        else {
            JSValue primitive = args.at(0).toPrimitive(exec);
            if (primitive.isString())
                value = parseDate(vm, primitive.getString(exec));
            else
                value = primitive.toNumber(exec);
        }
    } else
        value = millisecondsFromComponents(exec, args, WTF::LocalTime);

    Structure* dateStructure = InternalFunction::createSubclassStructure(exec, newTarget, globalObject->dateStructure());

    return DateInstance::create(vm, dateStructure, value);
}

示例#2

文件： DateMath.cpp 项目： youtube/h5vcc_hh

static inline int minimumYearForDST()
{
    // Because of the 2038 issue (see maximumYearForDST) if the current year is
    // greater than the max year minus 27 (2010), we want to use the max year
    // minus 27 instead, to ensure there is a range of 28 years that all years
    // can map to.
    return std::min(msToYear(jsCurrentTime()), maximumYearForDST() - 27) ;
}

示例#3

文件： DateConstructor.cpp 项目： TigerWFH/webkit

EncodedJSValue JSC_HOST_CALL dateNow(ExecState* exec)
{
#if !ENABLE(WEB_REPLAY)
    UNUSED_PARAM(exec);
#endif

    return JSValue::encode(jsNumber(NORMAL_OR_DETERMINISTIC_FUNCTION(jsCurrentTime(), deterministicCurrentTime(exec->lexicalGlobalObject()))));
}

示例#4

文件： DateConstructor.cpp 项目： CannedFish/webkitgtk

// ECMA 15.9.3
JSObject* constructDate(ExecState* exec, JSGlobalObject* globalObject, const ArgList& args)
{
    VM& vm = exec->vm();
    int numArgs = args.size();

    double value;

    if (numArgs == 0) // new Date() ECMA 15.9.3.3
        value = jsCurrentTime();
    else if (numArgs == 1) {
        if (args.at(0).inherits(DateInstance::info()))
            value = asDateInstance(args.at(0))->internalNumber();
        else {
            JSValue primitive = args.at(0).toPrimitive(exec);
            if (primitive.isString())
                value = parseDate(vm, primitive.getString(exec));
            else
                value = primitive.toNumber(exec);
        }
    } else {
        double doubleArguments[7] = {
            args.at(0).toNumber(exec), 
            args.at(1).toNumber(exec), 
            args.at(2).toNumber(exec), 
            args.at(3).toNumber(exec), 
            args.at(4).toNumber(exec), 
            args.at(5).toNumber(exec), 
            args.at(6).toNumber(exec)
        };
        if (!std::isfinite(doubleArguments[0])
            || !std::isfinite(doubleArguments[1])
            || (numArgs >= 3 && !std::isfinite(doubleArguments[2]))
            || (numArgs >= 4 && !std::isfinite(doubleArguments[3]))
            || (numArgs >= 5 && !std::isfinite(doubleArguments[4]))
            || (numArgs >= 6 && !std::isfinite(doubleArguments[5]))
            || (numArgs >= 7 && !std::isfinite(doubleArguments[6])))
            value = QNaN;
        else {
            GregorianDateTime t;
            int year = JSC::toInt32(doubleArguments[0]);
            t.setYear((year >= 0 && year <= 99) ? (year + 1900) : year);
            t.setMonth(JSC::toInt32(doubleArguments[1]));
            t.setMonthDay((numArgs >= 3) ? JSC::toInt32(doubleArguments[2]) : 1);
            t.setHour(JSC::toInt32(doubleArguments[3]));
            t.setMinute(JSC::toInt32(doubleArguments[4]));
            t.setSecond(JSC::toInt32(doubleArguments[5]));
            t.setIsDST(-1);
            double ms = (numArgs >= 7) ? doubleArguments[6] : 0;
            value = gregorianDateTimeToMS(vm, t, ms, false);
        }
    }

    return DateInstance::create(vm, globalObject->dateStructure(), value);
}

示例#5

文件： DateConstructor.cpp 项目： eric-seekas/webkit_titanium

// ECMA 15.9.3
JSObject* constructDate(ExecState* exec, JSGlobalObject* globalObject, const ArgList& args)
{
    int numArgs = args.size();

    double value;

    if (numArgs == 0) // new Date() ECMA 15.9.3.3
        value = jsCurrentTime();
    else if (numArgs == 1) {
        if (args.at(0).inherits(&DateInstance::s_info))
            value = asDateInstance(args.at(0))->internalNumber();
        else {
            JSValue primitive = args.at(0).toPrimitive(exec);
            if (primitive.isString())
                value = parseDate(exec, primitive.getString(exec));
            else
                value = primitive.toNumber(exec);
        }
    } else {
        double doubleArguments[7] = {
            args.at(0).toNumber(exec),
            args.at(1).toNumber(exec),
            args.at(2).toNumber(exec),
            args.at(3).toNumber(exec),
            args.at(4).toNumber(exec),
            args.at(5).toNumber(exec),
            args.at(6).toNumber(exec)
        };
        if (isnan(doubleArguments[0])
                || isnan(doubleArguments[1])
                || (numArgs >= 3 && isnan(doubleArguments[2]))
                || (numArgs >= 4 && isnan(doubleArguments[3]))
                || (numArgs >= 5 && isnan(doubleArguments[4]))
                || (numArgs >= 6 && isnan(doubleArguments[5]))
                || (numArgs >= 7 && isnan(doubleArguments[6])))
            value = NaN;
        else {
            GregorianDateTime t;
            int year = JSC::toInt32(doubleArguments[0]);
            t.year = (year >= 0 && year <= 99) ? year : year - 1900;
            t.month = JSC::toInt32(doubleArguments[1]);
            t.monthDay = (numArgs >= 3) ? JSC::toInt32(doubleArguments[2]) : 1;
            t.hour = JSC::toInt32(doubleArguments[3]);
            t.minute = JSC::toInt32(doubleArguments[4]);
            t.second = JSC::toInt32(doubleArguments[5]);
            t.isDST = -1;
            double ms = (numArgs >= 7) ? doubleArguments[6] : 0;
            value = gregorianDateTimeToMS(exec, t, ms, false);
        }
    }

    return new (exec) DateInstance(exec, globalObject->dateStructure(), value);
}

示例#6

文件： DateConstructor.cpp 项目： TigerWFH/webkit

static double deterministicCurrentTime(JSGlobalObject* globalObject)
{
    double currentTime = jsCurrentTime();
    InputCursor& cursor = globalObject->inputCursor();
    if (cursor.isCapturing())
        cursor.appendInput<GetCurrentTime>(currentTime);

    if (cursor.isReplaying()) {
        if (GetCurrentTime* input = cursor.fetchInput<GetCurrentTime>())
            currentTime = input->currentTime();
    }
    return currentTime;
}

示例#7

文件： DateConstructor.cpp 项目： PioneerLab/OpenAphid-AJ

// ECMA 15.9.3
AJObject* constructDate(ExecState* exec, const ArgList& args)
{
    int numArgs = args.size();

    double value;

    if (numArgs == 0) // new Date() ECMA 15.9.3.3
        value = jsCurrentTime();
    else if (numArgs == 1) {
        if (args.at(0).inherits(&DateInstance::info))
            value = asDateInstance(args.at(0))->internalNumber();
        else {
            AJValue primitive = args.at(0).toPrimitive(exec);
            if (primitive.isString())
                value = parseDate(exec, primitive.getString(exec));
            else
                value = primitive.toNumber(exec);
        }
    } else {
        if (isnan(args.at(0).toNumber(exec))
                || isnan(args.at(1).toNumber(exec))
                || (numArgs >= 3 && isnan(args.at(2).toNumber(exec)))
                || (numArgs >= 4 && isnan(args.at(3).toNumber(exec)))
                || (numArgs >= 5 && isnan(args.at(4).toNumber(exec)))
                || (numArgs >= 6 && isnan(args.at(5).toNumber(exec)))
                || (numArgs >= 7 && isnan(args.at(6).toNumber(exec))))
            value = NaN;
        else {
            GregorianDateTime t;
            int year = args.at(0).toInt32(exec);
            t.year = (year >= 0 && year <= 99) ? year : year - 1900;
            t.month = args.at(1).toInt32(exec);
            t.monthDay = (numArgs >= 3) ? args.at(2).toInt32(exec) : 1;
            t.hour = args.at(3).toInt32(exec);
            t.minute = args.at(4).toInt32(exec);
            t.second = args.at(5).toInt32(exec);
            t.isDST = -1;
            double ms = (numArgs >= 7) ? args.at(6).toNumber(exec) : 0;
            value = gregorianDateTimeToMS(exec, t, ms, false);
        }
    }

    return new (exec) DateInstance(exec, value);
}

示例#8

文件： DateConstructor.cpp 项目： kseo/webkit

static EncodedJSValue JSC_HOST_CALL dateNow(ExecState*)
{
    return JSValue::encode(jsNumber(jsCurrentTime()));
}

示例#9

文件： DateConstructor.cpp 项目： PioneerLab/OpenAphid-AJ

static AJValue JSC_HOST_CALL dateNow(ExecState* exec, AJObject*, AJValue, const ArgList&)
{
    return jsNumber(exec, jsCurrentTime());
}

示例#10

文件： DateConstructor.cpp 项目： adelyte/tijscore

static TiValue JSC_HOST_CALL dateNow(TiExcState* exec, TiObject*, TiValue, const ArgList&)
{
    return jsNumber(exec, jsCurrentTime());
}